Man is so made that he can only find relaxation from one kind of labor by taking up another.
I prefer the folly of enthusiasm to the indifference of wisdom.
The wonder is, not that the field of stars is so vast, but that man has measured it.
Until one has loved an animal a part of one's soul remains unawakened.
History books that contain no lies are extremely dull.
Yet, every now and then, there would pass a young girl, slender, fair and desirable, arousing in young men a not ignoble desire to possess her, and stirring in old men regrets for ecstasy not seized and now forever past.